Attachment 5789 Details for Bug 34085 – Findings from early QA: prune old kernels

[patch] Findings from early QA: prune old kernels

34085_preup321.diff (text/plain), 2.35 KB, created by Philipp Hahn on 2014-02-11 13:42:06 CET

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Creator: Philipp Hahn

Created: 2014-02-11 13:42:06 CET

Size: 2.35 KB

patch

obsolete

>diff --git a/branches/ucs-3.2/ucs-3.2-1/base/univention-updater/script/preup.sh b/branches/ucs-3.2/ucs-3.2-1/base/univention-updater/script/preup.sh
>index 43d2446..4025872 100644
>--- a/branches/ucs-3.2/ucs-3.2-1/base/univention-updater/script/preup.sh
>+++ b/branches/ucs-3.2/ucs-3.2-1/base/univention-updater/script/preup.sh
>@@ -167,6 +167,12 @@ fi
> 
> #################### Bug #22093
> 
>+list_passive_kernels () {
>+	kernel_version="$1"
>+	dpkg-query -W -f '${Package}\n' "linux-image-${kernel_version}-ucs*" |
>+		fgrep -v "linux-image-$(uname -r)"
>+}
>+
> get_latest_kernel_pkg () {
> 	# returns latest kernel package for given kernel version
> 	# currently running kernel is NOT included!
>@@ -175,8 +181,8 @@ get_latest_kernel_pkg () {
> 
> 	latest_dpkg=""
> 	latest_kver=""
>-	for kver in $(COLUMNS=200 dpkg -l linux-image-${kernel_version}-ucs\* 2>/dev/null | grep linux-image- | awk '{ print $2 }' | sort -n | grep -v "linux-image-$(uname -r)") ; do
>-		dpkgver="$(apt-cache show $kver | sed -nre 's/Version: //p')"
>+	for kver in $(list_passive_kernels "$kernel_version") ; do
>+		dpkgver="$(apt-cache show "$kver" 2>/dev/null | sed -nre 's/Version: //p')"
> 		if dpkg --compare-versions "$dpkgver" gt "$latest_dpkg" ; then
> 			latest_dpkg="$dpkgver"
> 			latest_kver="$kver"
>@@ -191,16 +197,16 @@ pruneOldKernel () {
> 	# ==> at least one and at most two kernel should remain for given kernel version
> 	kernel_version="$1"
> 
>-	ignore_kver="$(get_latest_kernel_pkg "$kernel_version")"
>-	DEBIAN_FRONTEND=noninteractive apt-get -o DPkg::Options::=--force-confold -y --force-yes remove --purge $(COLUMNS=200 dpkg -l linux-image-${kernel_version}-ucs\* 2>/dev/null | grep linux-image- | awk '{ print $2 }' | sort -n | egrep -v "linux-image-$(uname -r)|$ignore_kver" | tr "\n" " ") >>/var/log/univention/updater.log 2>&1
>+	list_passive_kernels "$kernel_version" |
>+		fgrep -v "$(get_latest_kernel_pkg "$kernel_version")" |
>+		DEBIAN_FRONTEND=noninteractive xargs -r apt-get -o DPkg::Options::=--force-confold -y --force-yes purge
> }
> 
> if [ "$update32_pruneoldkernel" = "yes" ]; then
> 	echo "Purging old kernel..." | tee -a /var/log/univention/updater.log
>-	pruneOldKernel "2.6.18"
>-	pruneOldKernel "2.6.26"
>-	pruneOldKernel "2.6.32"
>-	pruneOldKernel "3.2"
>+	pruneOldKernel "3.2.0"
>+	pruneOldKernel "3.10.0"
>+	#pruneOldKernel "*" # only keep running and next kernel
> 	echo "done" | tee -a /var/log/univention/updater.log
> fi
>

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Attachments on bug 34085: 5789